Temperature
5759 K
5731 to 5940
←Back to Stellar Hosts
Stellar HostProfile
Kepler-1990
Unclassified star • 392.7 pc
Records
17
literature rows
Planets
2
system count
References
12
distinct source labels
TIC: TIC 269119490
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Fulton & Petigura 2018 • System source: TICv8
Mass
1.08 Msun
1.02 to 1.11
Radius
1.10 Rsun
1.07 to 2.08
Age
3.47 Gyr
2.50 to 3.47
Distance
392.7 pc
single adopted value
Planets
2
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 1.10 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
Kepler-1990
1.10 R☉
System Layout
Known planets
2 planets linked to this host
Kepler-1990 b
Transit
◌
Discovery
2023
Period
1.74 days
Radius
3.27 R⊕
Mass
—
Eq. Temp
1554 K
Kepler-1990 c
Transit
◌
Discovery
2023
Period
4.07 days
Radius
0.98 R⊕
Mass
—
Eq. Temp
1170 K
Kepler-1990: A Distant Star With Two Small Worlds
Kepler-1990 is a star 1280 light-years away with two known planets. The star is 3.47 billion years old and has a mass of 1.08 solar masses, larger than the Sun's mass. Its radius is 1.11 solar radii, larger than the Sun's radius, and its temperature is 5760 K.
Both planets were discovered by the transit method, in which a planet passes in front of its star from our viewpoint and causes a small dip in observed brightness. Repeated dips help establish orbital periods. Kepler-1990 b is a Neptune-like planet with an orbital period of 1.74 days and a radius of 3.27 Earth radii, larger than Earth's radius. Among the listed planets, it has the shortest year and the largest radius. Kepler-1990 c is a Sub-Earth with an orbital period of 4.07 days and a radius of 0.98 Earth radii. Among the listed planets, it has the longest year and the smallest radius.
Provenance
Underlying measurements and references
Evidence Summary
Rows
17
Stellar refs
11
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositystable
Surface Gravitydisputed
Metallicitydisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q12 KOI Table | TICv8 |
| — | — | — | — | — | — | 392.7 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q16 KOI Table | TICv8 |
| 5838 | — | 1.08 | — | — | — | 392.7 | Batalha et al. 2013 | TICv8 |
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5838 | 1.11 | 1.08 | 2.50 | — | — | 392.7 | Q1-Q8 KOI Table | TICv8 |
| 5751 | 1.03 | 1.07 | — | — | — | 392.7 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5838 | 1.11 | 1.08 | 2.50 | — | — | 392.7 | Q1-Q8 KOI Table | TICv8 |
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q12 KOI Table | TICv8 |
| 5751 | 1.03 | 1.07 | — | — | — | 392.7 | Q1-Q17 DR25 KOI Table | TICv8 |
| 5919 | — | 2.08 | — | — | — | 392.7 | Latham et al. 2005 | TICv8 |
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q17 DR24 KOI Table | TICv8 |
| 5731 | 1.02 | 1.23 | — | — | — | 392.7 | Q1-Q16 KOI Table | TICv8 |
| 5940 | 1.08 | 1.08 | — | 0.12 | — | 392.7 | TICv8 | TICv8 |
| 5838 | — | 1.08 | — | — | — | 392.7 | Q1-Q6 KOI Table | TICv8 |
| — | — | — | — | — | — | 392.7 | Q1-Q17 DR25 Supplemental KOI Table | TICv8 |
| 5759 | 1.08 | 1.10 | 3.47 | — | — | 392.7 | Fulton & Petigura 2018 | TICv8 |